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ADM1491EBRZ

Name: ADM1491EBRZ
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 1/1 14SOIC

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製造商。部分 #ADM1491EBRZ
包 SOIC-14
資料表 ADM1491EBRZ DataSheet
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規格

Package	Bulk,Tube
ProductStatus	Active
Type	Transceiver
Protocol	RS422, RS485
NumberofDrivers/Receivers	1/1
Duplex	Full
ReceiverHysteresis	30 mV
DataRate	16Mbps
Voltage-Supply	4.75V ~ 5.25V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	14-SOIC (0.154, 3.90mm Width)

概述

Description

The ADM1491EBRZ is a high-performance, isolated digital isolator designed for data communication in industrial and automotive applications. It utilizes capacitive isolation technology to provide robust data transmission while maintaining high common-mode transient immunity. The device operates at a wide temperature range, making it suitable for harsh environments.
Key features include low power consumption, high data rate support (up to 25 Mbps), and integrated isolation to ensure safety and reliability in signal integrity. The ADM1491EBRZ is particularly useful for isolating microcontrollers and field bus systems, enhancing system performance by minimizing noise and ground loop issues. Its compact package design facilitates easy integration into various electronic circuits.
Overall, the ADM1491EBRZ is a versatile solution for engineers seeking reliable and efficient isolated communication in their designs.

Features

The ADM1491EBRZ is a robust, isolated RS-485 transceiver designed for reliable communication in noisy environments. Key features include:
1. Isolated Communication: Provides high-voltage isolation up to 2500 VRMS, ensuring safety and signal integrity.
2. Low Power Consumption: Operates with low supply current, making it energy-efficient.
3. Wide Supply Voltage Range: Supports a supply voltage range from 3 V to 5.5 V, enhancing design flexibility.
4. High Data Rate: Capable of data rates up to 250 kbps, suitable for various applications.
5. Integrated Protection: Features built-in ESD protection and fault tolerance for increased reliability.
6. Single Chip Solution: Combines all necessary functions, simplifying design and reducing component count.
7. Low Voltage Operation: Supports low voltage logic levels for modern digital systems.
These features make the ADM1491EBRZ ideal for industrial automation, data acquisition, and other applications requiring robust, isolated communication.

Package

The ADM1491EBRZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The ADM1491EBRZ is an isolated RS-485 transceiver with a total of 8 pins. Its primary functions include:
1. Pin 1 (A): Non-inverting RS-485 differential output.
2. Pin 2 (B): Inverting RS-485 differential output.
3. Pin 3 (RE): Receiver enable control (active low).
4. Pin 4 (DE): Driver enable control (active high).
5. Pin 5 (RO): Receiver output (single-ended).
6. Pin 6 (DI): Driver input (single-ended).
7. Pin 7 (VCC): Power supply for the device.
8. Pin 8 (GND): Ground reference for the device.
The ADM1491EBRZ is designed for robust data communication over long distances and offers electrical isolation, making it suitable for industrial applications.

Manufacturer

The ADM1491EBRZ is manufactured by Analog Devices, Inc. Founded in 1965, Analog Devices is an American multinational company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits (ICs). The company is known for its high-performance semiconductor solutions that serve a variety of industries, including automotive, communications, consumer electronics, and industrial applications. Analog Devices focuses on providing innovative technologies that enable high-performance signal processing and data conversion, catering to both high-end applications and broader consumer markets.

Application

The ADM1491EBRZ is an isolated RS-485 transceiver designed for industrial applications. Its primary areas include data communication in harsh environments, such as factory automation, process control, and remote monitoring systems. It provides electrical isolation, enhancing safety and noise immunity in long-distance data transmission. Additionally, it's suitable for use in smart grid applications and automotive networking, where robust and reliable data transfer is essential.

Equivalent

Equivalent products to the ADM1491EBRZ chip include the ISO1210 and the PCM1864. These alternatives provide similar functionality in isolated communications and signal processing applications. Always check specific datasheets for precise compatibility and specifications.